If the battery is continue left on the equipment after using it, the battery will discharge as little current. If continue several days, the energy of the battery will over run.
使用完毕以后仍然使电池留在设备里，电池将继续小电流放电，如经数天，电池电力将消耗过度。
While nitrogen is inlet, it can form more stable streamer discharge, the streamer is little longer than that when oxygen is inlet.
通入氮气可以形成较为稳定的流注放电，流注长度也较氧气要略长一些。
The velocity of the gas affected on the discharge process a little.
烟气流动速度的增加对放电特性的影响很小。
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